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<h1>Ease Class</h1>
<div class="box meta">

        <div class="extends">
            Extends <a href="../classes/Class.html" class="crosslink">Class</a>
        </div>

        <div class="foundat">
            Defined in: <a href="../files/src_tween_Ease.js.html#l1"><code>src\tween\Ease.js:1</code></a>
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            Module: <a href="../modules/go2d.html">go2d</a>

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<div class="box intro">
    <p>缓动函数集合，用于实现不同变化速度类型的动画。</p>

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            <li class="api-class-tab methods"><a href="#methods">Methods</a></li>
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        <div id="index" class="api-class-tabpanel index">
            <h2 class="off-left">Item Index</h2>

                <div class="index-section methods">
                    <h3>Methods</h3>

                    <ul class="index-list methods extends">
                            <li class="index-item method">
                                <a href="#method_easeInBack">easeInBack</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeInBounce">easeInBounce</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeInCirc">easeInCirc</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeInCubic">easeInCubic</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeInElastic">easeInElastic</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeInExpo">easeInExpo</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeInOutBack">easeInOutBack</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeInOutBounce">easeInOutBounce</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeInOutCirc">easeInOutCirc</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeInOutCubic">easeInOutCubic</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeInOutElastic">easeInOutElastic</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeInOutExpo">easeInOutExpo</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeInOutQuad">easeInOutQuad</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeInOutQuart">easeInOutQuart</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeInOutQuint">easeInOutQuint</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeInOutSine">easeInOutSine</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeInQuad">easeInQuad</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeInQuart">easeInQuart</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeInQuint">easeInQuint</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeInSine">easeInSine</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeOutBack">easeOutBack</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeOutBounce">easeOutBounce</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeOutCirc">easeOutCirc</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeOutCubic">easeOutCubic</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeOutElastic">easeOutElastic</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeOutExpo">easeOutExpo</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeOutQuad">easeOutQuad</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeOutQuart">easeOutQuart</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeOutQuint">easeOutQuint</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_easeOutSine">easeOutSine</a>

                                    <span class="flag static">static</span>
                            </li>
                            <li class="index-item method">
                                <a href="#method_linear">linear</a>

                                    <span class="flag static">static</span>
                            </li>
                    </ul>
                </div>



        </div>

            <div id="methods" class="api-class-tabpanel">
                <h2 class="off-left">Methods</h2>

<div id="method_easeInBack" class="method item">
    <h3 class="name"><code>easeInBack</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l276"><code>src\tween\Ease.js:276</code></a>
        </p>



    </div>

    <div class="description">
        <p>加速的超范围三次方缓动</p>

    </div>




</div>
<div id="method_easeInBounce" class="method item">
    <h3 class="name"><code>easeInBounce</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l307"><code>src\tween\Ease.js:307</code></a>
        </p>



    </div>

    <div class="description">
        <p>加速的指数衰减反弹缓动</p>

    </div>




</div>
<div id="method_easeInCirc" class="method item">
    <h3 class="name"><code>easeInCirc</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l190"><code>src\tween\Ease.js:190</code></a>
        </p>



    </div>

    <div class="description">
        <p>加速的圆形曲线缓动函数</p>

    </div>




</div>
<div id="method_easeInCubic" class="method item">
    <h3 class="name"><code>easeInCubic</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l49"><code>src\tween\Ease.js:49</code></a>
        </p>



    </div>

    <div class="description">
        <p>加速的三次方缓动函数</p>

    </div>




</div>
<div id="method_easeInElastic" class="method item">
    <h3 class="name"><code>easeInElastic</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l218"><code>src\tween\Ease.js:218</code></a>
        </p>



    </div>

    <div class="description">
        <p>加速的指数衰减正弦曲线缓动</p>

    </div>




</div>
<div id="method_easeInExpo" class="method item">
    <h3 class="name"><code>easeInExpo</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l160"><code>src\tween\Ease.js:160</code></a>
        </p>



    </div>

    <div class="description">
        <p>加速的指数曲线缓动函数</p>

    </div>




</div>
<div id="method_easeInOutBack" class="method item">
    <h3 class="name"><code>easeInOutBack</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l296"><code>src\tween\Ease.js:296</code></a>
        </p>



    </div>

    <div class="description">
        <p>先加速后减速的超范围三次方缓动</p>

    </div>




</div>
<div id="method_easeInOutBounce" class="method item">
    <h3 class="name"><code>easeInOutBounce</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l333"><code>src\tween\Ease.js:333</code></a>
        </p>



    </div>

    <div class="description">
        <p>先加速后减速的指数衰减反弹缓动</p>

    </div>




</div>
<div id="method_easeInOutCirc" class="method item">
    <h3 class="name"><code>easeInOutCirc</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l208"><code>src\tween\Ease.js:208</code></a>
        </p>



    </div>

    <div class="description">
        <p>先加速后减速的圆形曲线缓动函数</p>

    </div>




</div>
<div id="method_easeInOutCubic" class="method item">
    <h3 class="name"><code>easeInOutCubic</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l67"><code>src\tween\Ease.js:67</code></a>
        </p>



    </div>

    <div class="description">
        <p>先加速后减速的三次方缓动函数</p>

    </div>




</div>
<div id="method_easeInOutElastic" class="method item">
    <h3 class="name"><code>easeInOutElastic</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l256"><code>src\tween\Ease.js:256</code></a>
        </p>



    </div>

    <div class="description">
        <p>先加速后减速的指数衰减正弦曲线缓动</p>

    </div>




</div>
<div id="method_easeInOutExpo" class="method item">
    <h3 class="name"><code>easeInOutExpo</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l178"><code>src\tween\Ease.js:178</code></a>
        </p>



    </div>

    <div class="description">
        <p>先加速后减速的指数曲线缓动函数</p>

    </div>




</div>
<div id="method_easeInOutQuad" class="method item">
    <h3 class="name"><code>easeInOutQuad</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l39"><code>src\tween\Ease.js:39</code></a>
        </p>



    </div>

    <div class="description">
        <p>先加速后减速的二次方缓动函数</p>

    </div>




</div>
<div id="method_easeInOutQuart" class="method item">
    <h3 class="name"><code>easeInOutQuart</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l95"><code>src\tween\Ease.js:95</code></a>
        </p>



    </div>

    <div class="description">
        <p>先加速后减速的四次方缓动函数</p>

    </div>




</div>
<div id="method_easeInOutQuint" class="method item">
    <h3 class="name"><code>easeInOutQuint</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l123"><code>src\tween\Ease.js:123</code></a>
        </p>



    </div>

    <div class="description">
        <p>先加速后减速的五次方缓动函数</p>

    </div>




</div>
<div id="method_easeInOutSine" class="method item">
    <h3 class="name"><code>easeInOutSine</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l151"><code>src\tween\Ease.js:151</code></a>
        </p>



    </div>

    <div class="description">
        <p>先加速后减速的正弦曲线缓动函数</p>

    </div>




</div>
<div id="method_easeInQuad" class="method item">
    <h3 class="name"><code>easeInQuad</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l21"><code>src\tween\Ease.js:21</code></a>
        </p>



    </div>

    <div class="description">
        <p>加速的二次方缓动函数</p>

    </div>




</div>
<div id="method_easeInQuart" class="method item">
    <h3 class="name"><code>easeInQuart</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l77"><code>src\tween\Ease.js:77</code></a>
        </p>



    </div>

    <div class="description">
        <p>加速的四次方缓动函数</p>

    </div>




</div>
<div id="method_easeInQuint" class="method item">
    <h3 class="name"><code>easeInQuint</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l105"><code>src\tween\Ease.js:105</code></a>
        </p>



    </div>

    <div class="description">
        <p>加速的五次方缓动函数</p>

    </div>




</div>
<div id="method_easeInSine" class="method item">
    <h3 class="name"><code>easeInSine</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l133"><code>src\tween\Ease.js:133</code></a>
        </p>



    </div>

    <div class="description">
        <p>加速的正弦曲线缓动函数</p>

    </div>




</div>
<div id="method_easeOutBack" class="method item">
    <h3 class="name"><code>easeOutBack</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l286"><code>src\tween\Ease.js:286</code></a>
        </p>



    </div>

    <div class="description">
        <p>减速的超范围三次方缓动</p>

    </div>




</div>
<div id="method_easeOutBounce" class="method item">
    <h3 class="name"><code>easeOutBounce</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l316"><code>src\tween\Ease.js:316</code></a>
        </p>



    </div>

    <div class="description">
        <p>减速的指数衰减反弹缓动</p>

    </div>




</div>
<div id="method_easeOutCirc" class="method item">
    <h3 class="name"><code>easeOutCirc</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l199"><code>src\tween\Ease.js:199</code></a>
        </p>



    </div>

    <div class="description">
        <p>减速的圆形曲线缓动函数</p>

    </div>




</div>
<div id="method_easeOutCubic" class="method item">
    <h3 class="name"><code>easeOutCubic</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l58"><code>src\tween\Ease.js:58</code></a>
        </p>



    </div>

    <div class="description">
        <p>减速的三次方缓动函数</p>

    </div>




</div>
<div id="method_easeOutElastic" class="method item">
    <h3 class="name"><code>easeOutElastic</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l237"><code>src\tween\Ease.js:237</code></a>
        </p>



    </div>

    <div class="description">
        <p>减速的指数衰减正弦曲线缓动</p>

    </div>




</div>
<div id="method_easeOutExpo" class="method item">
    <h3 class="name"><code>easeOutExpo</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l169"><code>src\tween\Ease.js:169</code></a>
        </p>



    </div>

    <div class="description">
        <p>减速的指数曲线缓动函数</p>

    </div>




</div>
<div id="method_easeOutQuad" class="method item">
    <h3 class="name"><code>easeOutQuad</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l30"><code>src\tween\Ease.js:30</code></a>
        </p>



    </div>

    <div class="description">
        <p>减速的二次方缓动函数</p>

    </div>




</div>
<div id="method_easeOutQuart" class="method item">
    <h3 class="name"><code>easeOutQuart</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l86"><code>src\tween\Ease.js:86</code></a>
        </p>



    </div>

    <div class="description">
        <p>减速的四次方缓动函数</p>

    </div>




</div>
<div id="method_easeOutQuint" class="method item">
    <h3 class="name"><code>easeOutQuint</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l114"><code>src\tween\Ease.js:114</code></a>
        </p>



    </div>

    <div class="description">
        <p>减速的五次方缓动函数</p>

    </div>




</div>
<div id="method_easeOutSine" class="method item">
    <h3 class="name"><code>easeOutSine</code></h3>

        <span class="paren">()</span>





        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l142"><code>src\tween\Ease.js:142</code></a>
        </p>



    </div>

    <div class="description">
        <p>减速的正弦曲线缓动函数</p>

    </div>




</div>
<div id="method_linear" class="method item">
    <h3 class="name"><code>linear</code></h3>

        <div class="args">
            <span class="paren">(</span><ul class="args-list inline commas">
                <li class="arg">
                        <code>t</code>
                </li>
                <li class="arg">
                        <code>b</code>
                </li>
                <li class="arg">
                        <code>c</code>
                </li>
                <li class="arg">
                        <code>d</code>
                </li>
            </ul><span class="paren">)</span>
        </div>

        <span class="returns-inline">
            <span class="type">Number</span>
        </span>




        <span class="flag static">static</span>



    <div class="meta">
                <p>
                Defined in
        <a href="../files/src_tween_Ease.js.html#l8"><code>src\tween\Ease.js:8</code></a>
        </p>



    </div>

    <div class="description">
        <p>匀速缓动函数</p>

    </div>

        <div class="params">
            <h4>Parameters:</h4>

            <ul class="params-list">
                <li class="param">
                        <code class="param-name">t</code>
                        <span class="type">Number</span>


                    <div class="param-description">
                        <p>当前时间</p>

                    </div>

                </li>
                <li class="param">
                        <code class="param-name">b</code>
                        <span class="type">Number</span>


                    <div class="param-description">
                        <p>初始值</p>

                    </div>

                </li>
                <li class="param">
                        <code class="param-name">c</code>
                        <span class="type">Number</span>


                    <div class="param-description">
                        <p>变化量</p>

                    </div>

                </li>
                <li class="param">
                        <code class="param-name">d</code>
                        <span class="type">Number</span>


                    <div class="param-description">
                        <p>持续时间</p>

                    </div>

                </li>
            </ul>
        </div>

        <div class="returns">
            <h4>Returns:</h4>

            <div class="returns-description">
                        <span class="type">Number</span>:
                    <p>当前值</p>

            </div>
        </div>


</div>
            </div>



    </div>
</div>
                    </div>
                </div>
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        </div>
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